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DNA and Heredity

QuestionAnswer
DNA replication the process of one cell making an exact copy of itself
Karyotype a picture of a complete set of chromosomes in which the chromosomes have been matched with their pair and organized by size from longest to shortest
Nucleotides the building blocks of DNA
Guanine A nucleotides that pairs with Cytosine on strands of DNA
Adenine A nucleotides that pairs with Thymine on strands of DNA
inherit To receive from a parent
Genes Parts of chromosomes They carry the plans for heredity
Down Syndrome A condition that is caused by an extra chromosome in the 21st pair of chromosomes that causes heart difficulties, distinct facial features and often learning, speech and physical challenges.
Chromosome A long, twisted molecule of DNA
What does DNA mean? Deoxyribonucleic Acid
What is DNA? Made up of smaller molecules Looks like a twisted ladder or spiral staircase Carries the genetic code
Genome the DNA in one cell of an organism
Genetic Code the pattern of A's, T's, C's and G's that our body uses to make the proteins and molecules in our cells Every one of our cells is based on this pattern
How many chromosomes are found in a human? 46
How many pairs of chromosomes are found in humans? 23
What are nucleotides made of? Three parts: sugar, phosphate and one of the 4 nitrogen bases
What are the four nitrogen bases? Adenine, Gyanine, Adenine and Thyamine
What is the last pair of chromosomes for a human female? XX
What is the last pair chromosomes for the human male? XY
What happens during interphase? Cell grows and prepares for cell division At the end of this phase the DNA replication happens
Created by: MrsMahon23
 

 



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